https://www.mayoclinic.org/healthy-lifestyle/weight-loss/in-depth/the-truth-behind-the-most-popular-diet-trends-of-the-moment/art-20390062
keto isn't good for human beings...we are omnivores, always have been, and it would take at least thousands of years of selective evolution to make us anything different...
what is even worse for people is an obsession about their appearance, which is mostly fostered by ignorant people in the media who are looking to sell ad space.
now more than ever it is important to eat a healthy BALANCED diet, if you expect to come through anything with minimal damage.
people jumping whole heartedly on the keto band wagon are looking for a magic pill to make them thinner. keto may make you lose weight, but it also raises cholesterol levels dangerously, and potentially interferes with the proper operation of the nervous system. it is often prescribed for people with epilepsy...can a diet prescribed for epileptics not have any effects on people who do not have epilepsy?
"In normal humans fed a KD, electroencephalography and transcranial magnetic stimulation demonstrated increased inhibition in the cerebral cortex, with a magnitude similar to that seen after benzodiazepine administration (Cantello et al.,
2007). With the more extensive investigation possible in experimental animals, a KD was shown to enhance paired-pulse depression, shift the input/output relationship rightward, elevate the threshold for maximal electrical activation, and to block spreading depression-style events in the hippocampus
in vivo"
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3312079/
the only safe way to lose weight is to eat less and exercise more. it always has been, and always will be. anything else is a potentially harmful fad, some more potentially harmful than others.